100 % free anti-spyware tool is spybot search and destroy.
Adware files, Trojans and many malware types are being detected with Spybot Search & Destroy. This is a classic antispyware, anti adware tool that has become a well known product for users who fight against all kinds of online threats. It allows you to fix the Windows Registry inconsistencies, to be more specific - it is fixing the inconsistencies that are related to malicious applications that you are installing and adware.
If you're looking for an certified freeware antivirus you may want to try Avast Home Edition antivirus. It is also another complete checkmark and ICSA certified antivirus software. Like any other similar application it does offer you protection for HTTP traffic using an Web shield option, protection for P2P software like BitTorrent, Azureus, BitComet, µTorrent, rTorrent, BitComet, LimeWire or Kazaa and so on.
Latest Version 4.8.1296